Suppliers

Wärtsilä North America, Inc. processes all invoices electronically. We offer (2) methods for invoice submission. 

Option 1: E-Invoice - This is the preferred method. XML format electronic invoicing. This is available for registered suppliers through our partner Pagero. For e-invoicing-related inquiries, please contact invoice.e@wartsila.com

Option 2: PDF invoices by email - This is the default method. Invoices can be sent in PDF format as an attachment via email.

• Invoices must be submitted only in PDF format. No other formats are supported.
• Invoices are to be scanned individually, one invoice, and any backup in the same PDF file.
• Multiple invoices sent within one PDF file are not supported and cannot be processed.
• Invoices must be legible and contain the Purchase Order number and Wärtsilä’s contact person name.
• WSSC Scanning mailboxes are automated for invoice submissions only. Responses are not supported.

Wärtsilä North America Inc:

• Invoice submission email: WSSCScanningUS@wartsila.com
• Accounts payable inquiries: WSSCAccountsPayableNorthAmerica@wartsila.com

Wärtsilä Energy Storage Inc:

• Invoice submission email: WSSCScanningEnergyStorageUS@wartsila.com
• Accounts payable inquiries: WSSCAccountsPayableEnergyStorageUS@wartsila.com

Wärtsilä North America, Inc, Suppliers Requirements and Terms & Conditions